Catlettsburg is an unincorporated community in Sevier County, Tennessee, United States. It is accessible via Tennessee State Route 66 and Tennessee State Route 338, north of downtown Sevierville and some of community has been annexed by the city. Geography Catlettsburg has a mean elevation of 886 feet (270 metres). Schools Catlettsburg Elementary serves the area, a part of the Sevier County, Tennessee school system. References Unincorporated communities in Sevier County, Tennessee Unincorporated communities in Tennessee